| Description: | Most popular names for male newborns in united Germany 2003 |
| Source: | Gesellschaft für deutsche Sprache (GfdS) |
| Series: | Germany |
| Following list: | 2004 |
| Previous list: | 2002 |
| Highest new entries: | Leon (new at 3), Lucas (new at 5) |
| Largest rises: | Luca +3 (now at 7), Maximilian +1 (now at 1) |
| Largest falls: | Jonas -4 (now at 10), Tim -2 (now at 9) |
| Note: | Rankings with limited informative value: First names and second names are counted equally despite second names playing a rather small role in everyday life of Germans |